# Distance from Hanoi (HAN) to Okondja (OKN)

> 10,256 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,256 km / 6,373 mi / 5,538 nm
- **Estimated flight time**: 13h
- **Heading**: 270° (west)
- **Return heading**: 69° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Vietnam) → Gabon
- **Intercontinental**: Asia → Africa
- **Time difference**: -6h (When it's 23:56 in Hanoi, it's 17:56 in Okondja)
- **Elevation difference**: 1,286 ft (OKN is higher than HAN)

## Airports

### [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)

- City: Hanoi, Vietnam
- ICAO: VVNB
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 21.220000, 105.810000
- Elevation: 39 ft

### [Okondja Airport (OKN)](https://www.flightduration.online/airport/okn-okondja-okondja-airport/1ef266de-dd3f-64ce-adbf-06bb2780ed98)

- City: Okondja, Gabon
- ICAO: FOGQ
- Timezone: Africa/Libreville
- Coordinates: -0.670000, 13.670000
- Elevation: 1,325 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 23:56 in Hanoi, it's 17:56 in Okondja.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)
- [Okondja Airport (OKN)](https://www.flightduration.online/airport/okn-okondja-okondja-airport/1ef266de-dd3f-64ce-adbf-06bb2780ed98)
- [Flight duration calculator](/#calculator)